PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

T01HS2236APrism,tonometer

Lombart Brothers, Inc Dba Marco Lombart Div Marco Lombart · NSN 6540-01-549-9525 · FSC 6540 · No Item Name Available
Verified by PartsTable
NSN 6540-01-549-9525 — this item is cataloged by the U.S. Government under National Stock Number 6540-01-549-9525. Primary manufacturer part number: T01HS2236A.
Features
  • Prism,tonometer — FSC 6540
  • 5 verified cross-references
  • Primary manufacturer: Lombart Brothers, Inc Dba Marco Lombart Div Marco Lombart
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Prism,tonometer, cataloged under National Stock Number 6540-01-549-9525, is classified within Federal Supply Class 6540 (No Item Name Available) of the Medical, Dental, and Veterinary Equipment group. The primary manufacturer of record is Lombart Brothers, Inc Dba Marco Lombart Div Marco Lombart. This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6540-01-549-9525
Primary Part NumberT01HS2236A
Item NamePrism,tonometer
FSC / FSG6540 / 65 — No Item Name Available
ManufacturerLombart Brothers, Inc Dba Marco Lombart Div Marco Lombart
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
Verified Substitutes 12
Cover,access
5999-00-152-9634 INTERCHANGEABLE
Cap,electrical
2825-00-388-12052842 INTERCHANGEABLE
Ring,seal Oil
Westinghouse Electric Corp
2530-00-422-9355FF2842 INTERCHANGEABLE
Cylinder Assembly,hydraulic Brak
Federal Mogul Corp Sub Wagner Brake Moog Automotive Div
3930-00-543-8543 INTERCHANGEABLE
Pump Motor Assembly
5950-00-779-38479190971 INTERCHANGEABLE
Transformer,audio Frequency
Us Army Aviation and Missile Command
5815-00-895-4012 INTERCHANGEABLE
Rotary Detent Spring
5950-01-008-9419SM-C-359293GR2 INTERCHANGEABLE
Transformer,radio Frequency
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5330-01-070-87952842 INTERCHANGEABLE
Packing,preformed
Illinois Tool Works, Inc. Div Magnaflux
4730-01-185-534812339978 INTERCHANGEABLE
Adapter,straight,pipe to Hose
U S Army Tank Automotive Command Amsta-Im-Mm
Cross-Reference Index
Part NumberManufacturer
TOHS0900-2236A Ophthalmic Instruments, Inc. (USA)
TO1HS2236A Lombart Brothers, Inc. (USA)
T01HS2236A PRIMARY Lombart Brothers, Inc Dba Marco Lombart Div Marco Lombart (USA)
2842 Defense Logistics Agency Directorate of Medical Materiel Defense Supply Center Philadelphia (USA)
6540NCM071191 Defense Medical Standardization Board (USA)
Related Parts
5340-01-264-0397SUCCESSOR
COVER,ACCESS
5999-00-152-9634INTERCHANGEABLE
CAP,ELECTRICAL
2825-00-388-1205INTERCHANGEABLE
RING,SEAL OIL
2842
2530-00-422-9355INTERCHANGEABLE
CYLINDER ASSEMBLY,HYDRAULIC BRAK
FF2842
3930-00-543-8543INTERCHANGEABLE
PUMP MOTOR ASSEMBLY
5950-00-779-3847INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
9190971
5815-00-895-4012INTERCHANGEABLE
ROTARY DETENT SPRING
5950-01-008-9419INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
SM-C-359293GR2
5330-01-070-8795INTERCHANGEABLE
PACKING,PREFORMED
2842
4730-01-185-5348INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO HOSE
12339978
5915-01-198-3921INTERCHANGEABLE
FILTER
406-077-822-101
2530-01-211-4561INTERCHANGEABLE
PARTS KIT,HYDRAULIC BRAKE MASTER
5452324

Frequently Asked Questions

What is NSN 6540-01-549-9525?

NSN 6540-01-549-9525 is a Prism,tonometer, manufactured by Lombart Brothers, Inc Dba Marco Lombart Div Marco Lombart, classified under FSC 6540 (No Item Name Available). Status: active.

What are the part numbers for NSN 6540-01-549-9525?

NSN 6540-01-549-9525 has 5 cross-referenced part numbers: TOHS0900-2236A (Ophthalmic Instruments, Inc.), TO1HS2236A (Lombart Brothers, Inc.), T01HS2236A (Lombart Brothers, Inc Dba Marco Lombart Div Marco Lombart), 2842 (Defense Logistics Agency Directorate of Medical Materiel Defense Supply Center Philadelphia), 6540NCM071191 (Defense Medical Standardization Board).

What NSN replaces 6540-01-549-9525?

There are 12 known substitutes for 6540-01-549-9525: 5340-01-264-0397, 5999-00-152-9634, 2825-00-388-1205 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of T01HS2236A?

Key specifications for T01HS2236A: End Item Identification: SLIT LIGHT OPHTHALMIC, NSN 6540-01-520-7942; Part Name Assigned by Controlling Agency: PRISM TONOMETER F/THE SLIT LIGHT OPHTHALMIC; Special Features: PRISM, TONOMETER FOR THE SLIT LIGHT OPHTHALMIC END ITEM NSN 6540-01-520-7942. FOUND IN ARMY ASSEMBLAGE N315, MEDICAL MATERIEL SET EYE EXAM CLINIC: DEPMEDS. 3 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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